:root {
  --ink: #142136;
  --muted: #667286;
  --navy: #233066;
  --blue: #2477c7;
  --aqua: #18a6a4;
  --coral: #ff6f61;
  --gold: #f8bd3a;
  --pale-blue: #edf7ff;
  --pale-peach: #fff2e9;
  --paper: #ffffff;
  --soft: #fff8f1;
  --line: #e6e1da;
  --shadow: 0 18px 45px rgba(35, 48, 102, 0.12);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #fffdf8 0%, #ffffff 42%),
    var(--paper);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(219, 229, 239, 0.8);
  backdrop-filter: blur(14px);
}

.nav,
.section-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: linear-gradient(135deg, var(--coral), var(--gold));
  border-radius: 50%;
  font-size: 17px;
  box-shadow: 0 8px 18px rgba(255, 111, 97, 0.28);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--coral);
}

.nav-submit {
  padding: 10px 16px;
  color: #ffffff !important;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  border-radius: 999px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--line);
  background: #ffffff;
  border-radius: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--navy);
}

.hero {
  padding: 94px 0 80px;
  background:
    linear-gradient(135deg, rgba(255, 243, 231, 0.94), rgba(237, 247, 255, 0.88)),
    radial-gradient(circle at 82% 16%, rgba(255, 111, 97, 0.22), transparent 25%),
    radial-gradient(circle at 12% 88%, rgba(24, 166, 164, 0.18), transparent 26%);
  border-bottom: 1px solid rgba(230, 225, 218, 0.65);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 54px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 18px;
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 1.02;
  letter-spacing: 0;
  color: var(--navy);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.hero-tagline {
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  box-shadow: 0 12px 24px rgba(36, 119, 199, 0.24);
}

.button.secondary {
  color: var(--navy);
  background: #ffffff;
  border-color: var(--line);
  box-shadow: 0 10px 22px rgba(35, 48, 102, 0.08);
}

.hero-card,
.submission-form,
.prize-card,
.criteria-card {
  border: 1px solid rgba(219, 229, 239, 0.9);
  background: #ffffff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 34px;
}

.card-topline {
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-card h2 {
  margin: 10px 0 14px;
  color: var(--navy);
  font-size: 2rem;
}

.hero-card p,
.section-copy,
.section-heading p,
.submit-copy p,
.criteria-card p,
.prize-card p {
  color: var(--muted);
}

.deadline-box {
  margin-top: 28px;
  padding: 18px;
  background: linear-gradient(135deg, var(--pale-blue), var(--pale-peach));
  border-radius: 12px;
}

.deadline-box span,
.timeline-item span,
.prize-card span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.deadline-box strong {
  display: block;
  margin-top: 4px;
  color: var(--navy);
  font-size: 1.2rem;
}

.countdown-box {
  margin-top: 16px;
  padding: 18px;
  border: 1px solid rgba(219, 229, 239, 0.9);
  border-radius: 12px;
  text-align: center;
}

.countdown-box strong {
  display: block;
  color: var(--navy);
  font-size: 2.5rem;
  line-height: 1;
}

.countdown-box span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section {
  padding: 84px 0;
}

.soft-section {
  background:
    linear-gradient(135deg, rgba(255, 248, 241, 0.96), rgba(238, 251, 250, 0.9));
}

.two-column,
.submit-grid,
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 54px;
}

.section-copy {
  font-size: 1.04rem;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.section-heading.centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.guidelines-grid,
.criteria-grid,
.prize-grid {
  display: grid;
  gap: 18px;
}

.guidelines-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.guideline-item {
  min-height: 92px;
  display: flex;
  align-items: center;
  padding: 22px;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 14px;
  font-weight: 700;
  box-shadow: 0 12px 26px rgba(35, 48, 102, 0.06);
}

.guideline-item::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  margin-right: 12px;
  background: linear-gradient(135deg, var(--coral), var(--gold));
  border-radius: 50%;
}

.guideline-item.wide {
  grid-column: span 3;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.timeline-item {
  padding: 24px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 10px 22px rgba(35, 48, 102, 0.05);
}

.timeline-item strong {
  display: block;
  margin-top: 12px;
  color: var(--navy);
  font-size: 1.08rem;
}

.prize-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.prize-card {
  min-height: 210px;
  padding: 24px;
}

.prize-card.featured {
  background: linear-gradient(145deg, var(--navy), #3059a8);
  color: #ffffff;
}

.prize-card.featured span,
.prize-card.featured p {
  color: rgba(255, 255, 255, 0.86);
}

.prize-card span {
  color: var(--coral);
}

.prize-card p {
  margin-top: 20px;
}

.criteria-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.criteria-card {
  padding: 22px;
  box-shadow: none;
}

.criteria-card h3 {
  color: var(--navy);
}

.page-hero {
  padding: 84px 0 74px;
  background:
    linear-gradient(135deg, rgba(255, 242, 233, 0.94), rgba(237, 247, 255, 0.9)),
    radial-gradient(circle at 18% 18%, rgba(248, 189, 58, 0.22), transparent 28%),
    radial-gradient(circle at 88% 72%, rgba(24, 166, 164, 0.2), transparent 24%);
  border-bottom: 1px solid rgba(230, 225, 218, 0.7);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
  gap: 48px;
  align-items: center;
}

.page-hero h1 {
  max-width: 780px;
  font-size: clamp(2.7rem, 6vw, 5rem);
}

.rule-note {
  padding: 30px;
  color: #ffffff;
  background: linear-gradient(145deg, var(--coral), #f49b3b);
  border-radius: var(--radius);
  box-shadow: 0 22px 42px rgba(255, 111, 97, 0.22);
}

.rule-note span {
  display: block;
  margin-bottom: 14px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rule-note strong {
  display: block;
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: 2rem;
  line-height: 1.15;
}

.rule-note p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.86);
}

.spark-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.spark-grid article {
  min-height: 240px;
  padding: 26px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 30px rgba(35, 48, 102, 0.07);
}

.spark-grid span {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  place-items: center;
  color: var(--navy);
  background: var(--pale-peach);
  border-radius: 50%;
  font-weight: 800;
}

.spark-grid article:nth-child(2) span {
  background: #eaf9f8;
}

.spark-grid article:nth-child(3) span {
  background: #fff5d9;
}

.spark-grid p {
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 22px;
  color: var(--navy);
  font-weight: 800;
  cursor: pointer;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  width: 28px;
  height: 28px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  color: var(--coral);
  background: var(--pale-peach);
  border-radius: 50%;
  font-size: 1.2rem;
}

details[open] summary::after {
  content: "-";
}

details p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
}

.submit-section {
  background:
    linear-gradient(135deg, rgba(35, 48, 102, 0.96), rgba(36, 119, 199, 0.9)),
    radial-gradient(circle at 82% 12%, rgba(255, 111, 97, 0.5), transparent 26%),
    radial-gradient(circle at 12% 82%, rgba(24, 166, 164, 0.42), transparent 24%);
  color: #ffffff;
}

.submit-section .eyebrow,
.submit-section a {
  color: #cde5ff;
}

.submit-copy p {
  color: rgba(255, 255, 255, 0.82);
}

.light-copy h2 {
  color: var(--navy);
}

.light-copy p {
  color: var(--muted);
}

.submission-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 28px;
}

.form-row {
  display: grid;
  gap: 8px;
}

.form-row.full,
.full-button,
.form-message {
  grid-column: 1 / -1;
}

label {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
}

input,
select {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  font: inherit;
}

input:focus,
select:focus,
.button:focus-visible,
.nav-toggle:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(255, 111, 97, 0.28);
  outline-offset: 2px;
}

.form-message {
  min-height: 24px;
  margin: 0;
  color: var(--navy);
  font-weight: 800;
}

.info-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.info-strip article {
  padding: 24px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(35, 48, 102, 0.08);
}

.info-strip span {
  display: block;
  margin-bottom: 10px;
  color: var(--coral);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.info-strip strong {
  color: var(--navy);
}

.external-submit-card {
  display: block;
}

.external-submit-card h3 {
  color: var(--navy);
}

.submit-checklist {
  display: grid;
  gap: 12px;
  margin: 18px 0 26px;
  padding: 0;
  color: var(--ink);
  list-style: none;
}

.submit-checklist li {
  padding: 14px 16px;
  background: var(--pale-blue);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-weight: 700;
}

.footer {
  padding: 28px 0;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: #fffdf8;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer p {
  margin: 0;
  color: var(--navy);
  font-weight: 800;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 74px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .hero-grid,
  .page-hero-grid,
  .two-column,
  .submit-grid,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .guidelines-grid,
  .timeline,
  .prize-grid,
  .criteria-grid,
  .spark-grid,
  .info-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guideline-item.wide {
    grid-column: span 2;
  }
}

@media (max-width: 620px) {
  .nav,
  .section-shell {
    width: min(100% - 28px, 1120px);
  }

  .brand span:last-child {
    max-width: 230px;
  }

  .hero {
    padding: 64px 0 58px;
  }

  .page-hero {
    padding: 60px 0 54px;
  }

  .section {
    padding: 62px 0;
  }

  .hero-card,
  .submission-form {
    padding: 22px;
  }

  .guidelines-grid,
  .timeline,
  .prize-grid,
  .criteria-grid,
  .spark-grid,
  .info-strip,
  .submission-form {
    grid-template-columns: 1fr;
  }

  .guideline-item.wide {
    grid-column: auto;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}